镍系催化体系;
Reaction mechanism on this catalyst system was discussed.
讨论了这一催化体系的反应机理。
The catalyst system may further contain an organoaluminum compound.
该催化剂体系还可以包含有机铝化合 物。
Deep study is carried out for the magnesium nitrate based catalyst system in DP finishing of cotton fabrics.
本文对棉织物DP整理中以硝酸镁为主的催化剂系统进行了深入研究。
The catalyst system have good catalytic selection, can decrease the production cost and reduce the pollution.
此催化剂体系有良好选择性,用量少、成本低、对环境污染小。
The VPN growth mechanism can be used to well explain the characteristics of CNTs in floating catalyst system.
气相形核生长机理能够解释浮动催化系统生长碳纳米管的结构特征。
A new ethylene tetramerization catalyst system for the preparation of 1-octene has been researched and developed.
本文研究开发了新的乙烯四聚催化体系,用来制备1 -辛烯。
A catalyst composition and method for preparing a supported catalyst system for olefin polymerization is provided.
本发明提供了用于制备烯烃聚合的担载催化剂体系的催化剂组合物和方法。
The catalyst system and technics for oxidative carbonylation of phenol to diphenyl carbonate (DPC) has been studied.
针对苯酚氧化羰基化合成碳酸二苯酯(DPC)洁净化工过程用催化剂和工艺条件进行了较系统的研究。
This paper introduces the synthesis of the high molecular weight polyether by using metalloporphyrin complex catalyst system.
介绍了用四苯基卟啉铝络合物催化体系合成高分子量聚醚的方法。
Vapor phase nucleation (VPN) growth mechanism was proposed to explain the growth of carbon nanotubes in floating catalyst system.
提出了气相形核生长(VPN)机理解释浮动催化体系中碳纳米管的生长过程。
A method for preparing a spray dried catalyst and a low viscosity, low foam spray dried catalyst system for olefin polymerization are provided.
提供了制备喷雾干燥的催化剂的方法和用于烯烃聚合的低粘度、低发泡的喷雾干燥的催化剂体系。
The results indicated that novel catalyst system had high activity for propylene oligomerization. The products were mainly tetramer and pentamer.
结果表明:该配合物催化丙烯低聚具有较高的催化活性,产物主要以四聚物、五聚物为主。
Styrene butadiene rubber (SBR) was cyclized with the aid of cationic catalyst system based on diethylaluminum chloride(Al) and benzyl chloride(RCl).
应用一氯二乙基铝和苄基氯催化剂体系进行了丁苯橡胶的阳离子环化反应。
To the best our knowledge, our protocol is among the most efficient catalyst system for the N-arylation of N-containing heterocycles reported so far.
这是迄今为止最有效的含氮杂环的N -芳基化反应的催化体系之一。
Hydrogenolysis of methyl formate to methanol was the rate-determining process and was mainly catalyzed by nickel-based or copper-based catalyst system.
甲酸甲酯氢解制甲醇这一步骤的难点在于环境友好的低温高活性铜基催化剂的研制。
The aromatic ester appeared to have the best modification effect and the interaction between components in this catalyst system and the aromatic ester…
芳香酸酯具有较佳的调变作用,红外光谱研究了它与催化剂组份之间的相互作用。
A high-activity catalyst system for polyester consisted of Sb 2(EG) 3 and at least one kind of metal acetate catalyst of manganese, zinc, cobalt or lead.
选择乙二醇锑以及至少一种锰、锌、钴、铅等金属醋酸盐共同组成高效聚酯催化剂体系,研究其对缩聚反应的催化作用。
The catalyst system is very stable at ambient temperature and its stability is enhanced by addition of small amount of styrene monomer during preparation.
该催化体系有较高的低温稳定性,在陈化时加入少量苯乙烯单体能增强其稳定性。
The invention adds a new catalyst for the existing rare earth catalyst system and a catalyst system for the field of producing and synthesizing the rubber.
该催化 剂为现有稀土催化体系又增加了一个新的品种,为生产合成橡胶领域 又增加了一个催化体系。
In this paper, the grafting modification of casein was carried out by using vinyl and acrylic ester monomers, anionic emulsifier and REDOX catalyst system.
本文采用乙烯类和丙烯酸酯类单体、阴离子乳化、氧化还原系统引发反应体系对酪素进行接枝改性,以正交试验法优化合成反应条件。
This paper reviewed the preparation methods and structural characterization of aluminoxane and described in details its function in metallocene catalyst system.
综述了铝氧烷的制备方法及结构表征,并对其在茂金属催化剂中的作用作了详细介绍。
At appropriate polymerization conditions the binary catalyst system shows a good synergic effect, the polymerization activity is higher than any single catalyst.
在合适的聚合条件下此复式催化剂具有很好的协同作用,其催化活性比任一单一催化剂的催化活性都高。
The results showed that the catalyst system had high catalytic activity and good catalytic stability, and the Mooney viscosity of BR could be adjusted sensitively.
结果表明 ,该体系催化活性高 ,稳定性好 ,能灵敏地调节顺丁橡胶的门尼黏度 ;
Taking nickel catalyst system as an example, the effects of dissolved oxygen on butadiene polymerization and the result of using the pressure-self-raising-unit were analyzed.
以镍系催化剂为例,考察了溶解氧对丁二烯聚合系统的影响,并考察了使用升压器后的作用效果。
This paper reviews the catalyst system in RCM reaction and RCM application in the synthesis of natural products including carbon ring, oxygen heterocycles and nitrogen heterocycles, etc.
本文概述了关环转换反应所用催化剂体系及其在天然产物合成中的应用,内容涉及到碳环及含氧、含氮杂环天然产物的合成。
The catalyst system consists of solid strong acid ion exchange resin, organic solvent and copper powder in certain proportion, and the reacted catalyst system may be recovered for reuse.
该催化系统由固体强酸离子交换树脂、有机溶剂和铜粉以一定比例组成,该催化系统在反应后可再回收循环利用。
The catalyst system consists of solid strong acid ion exchange resin, organic solvent and copper powder in certain proportion, and the reacted catalyst system may be recovered for reuse.
该催化系统由固体强酸离子交换树脂、有机溶剂和铜粉以一定比例组成,该催化系统在反应后可再回收循环利用。
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